Alfa Romeo D2

D2
	File:Alfa Romeo D2.jpg
	Alfa Romeo D2
Type	nine-cylinder radial engine
Manufacturer	Alfa Romeo
First run	1930s
Number built	~600

The Alfa Romeo D2 was a nine-cylinder radial engine for aircraft use produced in Italy. It was typically rated between 240-270 hp. The engine was designed by Vittorio Jano and produced 600 units between 1931-1934.^[1] This engine was also first purpose-built aircraft engine produced by Alfa Romeo, before it all Alfa engines used in airplanes were derived from engines used in cars. A supercharged derivative was produced as the D2 C..

Applications

Specifications

General characteristics

Type: Nine-cylinder radial engine
Bore: 120 mm (4.724 in.)
Stroke: 135 mm (5.315 in.)
Displacement: 13.74 L (838.5 cuin)

Components

Supercharger: 2.5:1

Performance

Power output: 270 hp
Compression ratio: 5:1

References

^ "STORY OF THE ALFA ROMEO FACTORY AND PLANTS page 12" (PDF). enzociliberto.it. Archived from the original (PDF) on 2007-09-29. Retrieved 2007-08-25. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)

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[enzociliberto.it-1] "STORY OF THE ALFA ROMEO FACTORY AND PLANTS page 12" (PDF). enzociliberto.it. Archived from the original (PDF) on 2007-09-29. Retrieved 2007-08-25. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)

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